CVE-2026-21289
📋 TL;DR
CVE-2026-21289 is an incorrect authorization vulnerability in Adobe Commerce that allows attackers to bypass security controls and view unauthorized data without user interaction. This affects Adobe Commerce versions 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16 and earlier.
💻 Affected Systems
- Adobe Commerce
- Magento Open Source
📦 What is this software?
Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →⚠️ Risk & Real-World Impact
Worst Case
Attackers gain unauthorized access to sensitive customer data, payment information, or administrative data, leading to data breach and regulatory compliance violations.
Likely Case
Unauthorized viewing of customer information, order details, or product data that should be restricted by authorization controls.
If Mitigated
Limited exposure if proper network segmentation, WAF rules, and access controls are implemented to restrict attack surface.
🎯 Exploit Status
No user interaction required, making exploitation straightforward if the vulnerability details become public.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to Adobe Commerce 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 or later
Vendor Advisory: https://helpx.adobe.com/security/products/magento/apsb26-05.html
Restart Required: Yes
Instructions:
1. Backup your Adobe Commerce instance. 2. Apply the security patch via Composer: composer require magento/quality-patches. 3. Apply specific patch for your version. 4. Clear cache: php bin/magento cache:clean. 5. Restart services.
🔧 Temporary Workarounds
Temporary Access Restriction
allRestrict access to admin and API endpoints using web server rules or WAF.
# Example Apache rule: RewriteCond %{REQUEST_URI} ^/admin [NC]
# Example Nginx: location ~ ^/admin { deny all; }
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure to trusted IPs only
- Deploy a web application firewall with rules to detect and block authorization bypass attempts
🔍 How to Verify
Check if Vulnerable:
Check Adobe Commerce version via admin panel or run: php bin/magento --version
Check Version:
php bin/magento --version
Verify Fix Applied:
Verify version is updated to patched version and test authorization controls for previously vulnerable endpoints
📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to admin or API endpoints
- Requests to sensitive data endpoints from unauthorized sources
Network Indicators:
- Increased traffic to data endpoints without corresponding authentication logs
SIEM Query:
source="*commerce*" AND (uri_path="/admin/*" OR uri_path="/rest/*" OR uri_path="/graphql") AND status=200 AND NOT user_authenticated=true